1. VIIT-TIFR Collaboration
C S Garde
Vishwakarma Institute of Information Technology, Pune

2. VIIT-TIFR Collaboration (Final Year Engineering Projects)
No. of projects
No. of students
No. of faculty (VIIT)
No. of scientists/ engineers
(TIFR)
Departments (VIIT) 1 2
E&TC 8 19 7 11 33 9 15
E& TC, Comp 13 38 12 10
E& TC, Comp, IT 17 47
(46+1ME)
Total 65
186

3. VIIT students in TIFR Sr. No. Name of student (Batch) Project at TIFR
Post
Lab at TIFR 1
Sanket Kamathe (2010)
Silicon Photo Multiplier (SiPM)
Jr. Research Fellow
High Energy Physics, Mumbai 2
Ameya Deshpande (2010)
Tera Hertz Spectroscopy
Solid State Electronics, Mumbai 3
Raj Patil (2011)
Plasmonics NRIM
National Photonics Fellowship 4
Aniket Patil (2011)
Plasmonic Interconnects 5
Harshad Surdi (2012) 6
Raghunandan Shukla (2011)
SiPM, VLSI, Embedded
Scientific Officer “C” 7
Sarrah Lokahandwala (2013)
FPGA based systems, SiPM

4. Sr. No.
Name of student (Batch)
Project at TIFR
Post
Lab at TIFR 8
Suraj Kolhe (2012)
VLSI, Embedded
Jr. Research Fellow
Cosmic Rays Laboratory, Ooty 9
Serin V. John (2013)
High voltage DAS, Embedded 10
Sameer Saraf (2013)
Embedded
Project Scientific Officer
Atomic Physics, Mumbai 11
Akhil Kurup (2014)
FPGA based systems, SiPM
High Energy Physics, Mumbai 12
Akshay Manjare (2014)
Embedded, Instrumentation 13
Prathamesh Deshmukh (2014)
THz, Plasmonics
Solid State Electronics, Mumbai 14
Pankaj Rakshe (BE-2011; ME-2014)
Scientific Officer “D”

5. Software Technology Utilization in TIFR
Data Convertors: Text to ROOT
Web based Static ROOT Plots
Dynamic Plots through remote ROOT access
Web based Inventory management – Scintillator and Muon Detectors

6. Hardware Technology Utilization in TIFR
32-channel High Speed FPGA based Counters
High Voltage Monitoring
Bulk Data Transfer using USB protocol

7. Director, TIFR interacting with Bharat Agarwal, Managing Trustee

8. TIFR Delegation Prof Mustansir Barma, Director, TIFR
Prof Sunil Gupta, PI - CRL, Ooty
Prof A Venu Gopal
Dr Pravata Mohanty
Mr Jagdeesan
Mr Raghunandan Shukla
Mr Pankaj Rakshe
Ms Sarrah Lokandwala
Mr Prathamesh Deshmukh
Mr Akhil Kurup

9. VIIT Faculty Prof Prasad Khandekar, HOD, E&TC Prof Vivek Aranake
Prof Shailesh Thaware
Prof Mandar Karyakarte
Prof Ketan Raut ……

10. Interaction with students

11. Software Projects (Computer Department)
Data Conversion ( )
Converted data collected from detectors in text format to ROOT format
Web access to static Plots ( )
Kept the graph files in specific location
Persons having access to the system can see those plots through web interface

12. ROOT Plots (Contd) Dynamic ROOT Plots (2012-13) Data at CRL, Ooty
Persons across the globe can access Ooty ROOT data and issue command to plot graphs for fixed parameters
Dynamic ROOT Plots ( )
True dynamic plot with user specified parameters for SC ROOT files

13. ROOT Plots (Contd) ROOT dynamic Plot (2014-15)
Plot dynamic graphs with different parameters and multiple plots on single canvas like Temperature, SC ROOT data, weather data versus time

14. Inventory Management Inventory Management (2011-12)
Scintillator detectors have several subsystems and are connected to different devices
“Inventory” system for maintaining detailed information accessible over web
Data Base and User Interface developed

15. Inventory Management Inventory management (2012-13)
User Interfaces and authentication
Inventory management ( )
Completed linking between tabs e.g. if ADC port from detector changed, will be reflected in ADC page

16. Inventory Management Inventory management (2014-15)
To complete inventory management with reports with flexibility to print or export to excel.

17. CORSIKA parallelization
CORSIKA parallization ( )
On GPU using CUDA
CORSIKA parallization ( )
On CPU using OPENMP
Random number generation parallelization
Not effective
CORSIKA parallization ( )

18. ERP System for muon Detector Existing System
Maintenance of inventory of PRC manufacturing processes
-Excel sheet, Paper work
Log records
-Log book
Manual tasks
-Job costing and purchase order inventory
-Analysis and Report generation
-Backup and restore
-User management

19. System Objectives Automating all the business processes like
-Regular Data analysis.
-Report generation.
-Monitoring.
-User Management
-Back-up and Restore.
-Log recording
Alert Systems (SMS alerts and s).
Two way authentication.

20. ER- Diagram
Deployment Diagram

21. Schema
Diagram

22. Proposed System and Work done
Completed Work:
Inventory Management module
Manufacturing process module
Currently Working on:
Report Generation
Session Management
Remaining Modules:
Job Costing
Statistical Analysis
Back-up and Restore
Two way authentication

28. Summary
All the data which is viewed and searched is implemented using ajax which avoids refreshing of page and improves performance.
Implemented auto suggest like ‘google’ which suggests the proportional counter (prc) id’s while typing in the input box and it also prevents assigning worker a wrong prc.
Both inventory and manufacturing module have been linked together.
Deep linking of ajax done.
Allowing user to add, edit, search and delete on demand by developing dynamic web pages.

29. Project plan

30. Multi-session Multi-threaded Data Banking

31. Daily Files Generated ~27GB
Data Files
Scintilator files (16GB/650 files per day)
Scintilator Rate files (1.2GB/24 files per day)
Muon files (1GB/130 files per day)
Muon Angle files (4GB/20 files per day)
Weather files (<1MB/1 file per day)
EF files (30MB/1 file per day)
Root Files (5GB compressed data)
Text files (<50MB)

32. 400 Scintillator 4 Muon Stations Mumbai office Weather Station
CRL,TIFR data
Backup
System

33. Current System No backup of the data at remote location
Dependency on Blue ray Disc for data storage
No policy of transferring the data from the server
Need Compression

34. Objectives :-
Multi-threaded backup operations using client-server pull and/ or push architecture.
Data compression and decompression
Failure handling and recovery during the backup process.
Tracking of all the backup process states and user activities.
Scheduled as well as unscheduled data backup.
Report generation.

35. Strategy Checkpoints Compression Logs Security Incremental Restore
Multithreading
Multisession

36. Present Status Studied Backup tools
Implemented the Concept of multithreading
Implemented a Client Server Program for File Transfer in different ways
Implemented File Splitter and Joiner program

37. File Splitter and Joiner Programs
File Splitter Program:-
This program is to split files into multiple threads(parts) at one side (client or server) then send split files to the other side.
File Joiner Program:-
When the other side(server or client) receives split files Joiner combine all split parts and restores original file.

38. Splitter-Joiner Main Form
Note :- This is for manual working

39. Splitter Page

40. Browse the file to split

41. After splitting and Joining it will show

42. Joiner Page

43. Browse only first split part to join
Note:- Joining will be done automatically, this form is designed only to test working of joiner.

44. Form for multiple data files selection

45. Form for multiple Root files selection

46. Form for multiple TExt files selection

47. Work Plan
Send files to multiple clients, also receive files from multiple clients.
Automation of file splitting and joining.
Sending multiple files at a time.
Maintaining logs.

48. Technology Used Platform : Cent Operating System Languages :
Java
JavaScript
CSS
Database: MySQL.
Server: Apache Tomcat.

49. 64 channel Muon Counter – Hardware Board Design
Schematics Completed.
Few bugs are identified from current custom boards.
Proper corrective steps are taken in new design

50. On-going work
2 bugs in existing board found/ corrected on new board schematic
All FPGA board module Schematics completed/ ARM board schematic
Started H/W debugging
All libraries required for board designing (FPGA / ARM) developed
Start level shifter design/datasheet study/ ARM board Design

51. On-going work Start of schematic design/Completed Power schematic
Study of datasheets of various components used on ARM controller board
Interacted with Mr. Karkhanis (SBL Pvt. Ltd. (Pune)). Guidelines regarding precautions in high speed PCB design

52. On-going work Redesign the board.
Power FPGA Board, check for functionality.
Keep only those function blocks, which are required .

53. Schematics:- 1
Fig-8.1 POWER

54. Schematics:- 2
Fig-8.2 LEVEL SHIFTER

55. Schematics:- 3
Fig 8.3 FPGA (with channels connected)

56. Schematics:- 4
Fig 8.4 PHYSICAL LAYER MAC IC

57. Immediate Plan Routing
Students will visit CRL and learn and design PCB

58. TRIGGER LOGIC DESIGN FOR EAS SCINTILLATION DETECTORS

59. Work progress so far
Level 0 Trigger for inner three rings has been implemented.
Design is successfully tested with BASYSY-2 development board which contains XILINX
Spartan 3E FPGA.

60. FPGA: Xilinx Spartan6 ( xc6lx9 )
Nomenclature :
XC : Commercial device with speed grade: -2 (time taken for a signal to pass through the entire chip [input-output]).
6 : Spartan6 device.
LX9 : Actual FPGA chip name.
Package : TQG144 (other : BGA, CSG, etc.)
Slices : 1430 (each slice has 4 LUT’s and 8 FF)
Logic Cells : 9152 (6-input LUT)
Flip Flops: 11440
Distributed RAM : 90kb

61. Future scope Level 1 trigger
Implementing multiple counters at every stage which increments every time an event occurs
e.g. no. of times one particular detector is hit
No. of times line or pulse is generated
No. of times level 0 trigger has occurred.

62. Charge Integrator

63. SPECIFICATION Design a amplifier for specifications:
Rise time:1ns Fall time:10ns
Very high frequency(approx 1.5Ghz) with bandwidth of 350Mhz
Input: µV.
Output:5mV, retaining the pulse close to original 10ns time period as well.
Design of a Pulse shaper
The pulse is required to be stretched by at least 100 times so proper ADC can be used.
A circuit that could convert the analog pulse to digital , considering the bandwidth requirement.

64. Present Status Designed amplifier using transistor and Op-Amp
Designed PCB and given for manufacturing
Will solder and test circuits next month

65. Solar PV System

66. PROJECT SCHEMATIC
Clean Energy ! Green Energy !! Safe Energy !!!

67. MPPT controller & data logging
Power=3kW
Panel Connection
Panel 1
Panel 7
Panel 2
Panel 8
Panel 3
Panel 9
180 V
MPPT controller & data logging
Buck-Boost Converter
Load
Sharing
Panel 4
Panel 10
Inverter
Panel 5
Panel 11
Battery
Panel 6
Panel 12
AC Load
Clean Energy ! Green Energy !! Safe Energy !!!

68. 12 SOLAR PANELS OF 280Watts each
Clean Energy ! Green Energy !! Safe Energy !!!

69. Solar Panel Description
Each solar panel is of 280Wpp, total 3.36kW power
Maximum power point is 35V for each panel
Max current rating of each panel is 7A
Clean Energy ! Green Energy !! Safe Energy !!!

70. Battery Description
2 battery banks with 14 batteries each of voltage 12V connected in series i.e. total of V.
Battery rating is 66Ah.
Maximum charging current is 10A.
Clean Energy ! Green Energy !! Safe Energy !!!

71. Charging of battery from single panelON
PANEL1 is
connected to
BATT SET2
directly
through bus
OFF
OFF
OFF ON
Negative sign indicates
charging of batteries
Clean Energy ! Green Energy !! Safe Energy !!!

72. Charging of battery using both panel
Rectified DC from mains ON
PANEL 1 ON
PANEL 2
OFF
OFF
BATT SET1
BATT SET2 ON
Voltage
Current
LOAD
Clean Energy ! Green Energy !! Safe Energy !!!

73. UPS Electrical Connection Scheme
Rectifier
INV
LOAD
MAINS AC
BAT +
MAINS AC
Rectifier
INV
LOAD -
SOLAR PV1
SOLAR PV2
BAT 1
BAT 2
Clean Energy ! Green Energy !! Safe Energy !!!

74. Power from both panels are utilized to drive the load as well as charge batteries`
Current supplied to
load as well as batt set2 through common bus
from solar panels ON
PANEL1 ON
PANEL2 ON
OFF
LOAD
Voltage
Current
BATT 1 ON
BATT 2
The total current from solar
is divided depending upon the
output load consumption
Clean Energy ! Green Energy !! Safe Energy !!!

75. If load current is less than solar current, the remaining current is utilized for charging batteries
PANEL1 ON
LOAD
PANEL2
OFF ON
OFF
BATT1
Connected to AC load through inverter ON
BATT2
Load current is less
than panel current
Charging battery
Clean Energy ! Green Energy !! Safe Energy !!!

76. If load current is greater than solar current, the remaining current is supplied from batteries
PANEL1 ON
LOAD
PANEL2
OFF ON
OFF
Load is connected to AC load through inverter`
BATT1 ON
BATT2
Load current is greater
than panel current
Battery is providing
current to load
Clean Energy ! Green Energy !! Safe Energy !!!

77. Observations
Loading condition (20 PC’s ON): 1.04kW Inverter Output Voltage: 230V AC Current: 6Amp AC Load power factor: 0.75 Battery voltage: 171V DC Current: 7.5Amp DC Losses in inverter: ( )kW = 240W
Clean Energy ! Green Energy !! Safe Energy !!!

78. Buck Boost Converter Input voltage variation: 100- 240V
Output voltage constant: 180V
Current max rating: 7A
Tested up to 100V
180V
DC bus
SOLAR
PANELS
Buck Boost
Converter
Load
Sharing
INVERTER
Sensing Board
AC Load µC
Battery Bank
MOSFET DRIVER
Clean Energy ! Green Energy !! Safe Energy !!!

79. Buck boost basic scheme
Constant
180V output
Panel Input
Voltage
Variation
( V)
Buck mode: Vo=D*Vin
Boost mode: Vo=Vin/(1-D)
Clean Energy ! Green Energy !! Safe Energy !!!

80. Present status (Buck Boost)
Generated PWM pulses for driving MOSFET using microcontroller.
Integrated the buck boost and successfully achieved constant voltage 180V using the buck boost in no load condition with an input voltage from V.
Testing with load being done

81. DAS Block Diagram LOAD Sharing Power=3kW MPPT V1 sense V7 sense
Panel 1
Panel 7
DC Bus
V2 sense
V8 sense
Panel 2
Panel 8
MUX
V3 sense
V7 sense
Panel 3
Panel 9
V4 sense
V10 sense
Panel 4
Panel 10
Signal Condition-
-ing
Micro-controller
V5 sense
V11 sense
Panel 5
Panel 11
V6 sense
V12 sense
Panel 6
Panel 12 PC
I sense 1
I sense 2
Clean Energy ! Green Energy !! Safe Energy !!!

82. Present status (Data Acquisition)
Completed mounting and testing of sensor board.
Tested voltage linearity, current sensing and temperature sensing.
Verified the output of MUX. Data acquisition board was designed, fabricated and initial testing was done.
Clean Energy ! Green Energy !! Safe Energy !!!

83. Voltage sense testing Panel terminals
Voltage divider network to obtain voltage in a range of 0-5V for the module range of 0-42V
Clean Energy ! Green Energy !! Safe Energy !!!

84. Current sense testing
Hall sensor of ±25A rating and 100mV/A output sensitivity.
2.5V for 0A current
Clean Energy ! Green Energy !! Safe Energy !!!

85. Temperature measurement testing results
Amplifier linearity graph
For temp measurement sensor LM35 was used with sensitivity of 10mV/˚C.
OPAMP is used to amplify the signal and get an output in the range of 0-5V.
Clean Energy ! Green Energy !! Safe Energy !!!

86. Solar Power Generation at Ooty
Terrace area available: 413sq.m
No. of panels (2 x 1 m2) that can be installed(280W capacity each): 72
Assured power generation for 1 yr: 33400units(kWh)
Daily average generation: 91.5 units(kWh)
Power capacity: 20 kW
12 rows of 6 panel each in series with max power voltage 35V/panel and MPPT current 8A/row
Clean Energy ! Green Energy !! Safe Energy !!!

87. Future – DC bus Rs. 21 lakhs funded by ISRO
Clean Energy ! Green Energy !! Safe Energy !!!

88. Savings with respect to Conventional Solar System
UPS redundant (20% saving)
SMPS replaced by DC-DC converter(20% saving)
Conventional tube light by LED tubelight(10% saving)
Induction motor fan replaced by BLDC motor(35% saving)
Clean Energy ! Green Energy !! Safe Energy !!!

89. Acknowledgements Scientists/ Engineers of TIFR Faculty of VIIT
Students

90. Thank You